(19)
(11)
EP 0 552 287 A1
(12)
(43)
Date of publication:
28.07.1993
Bulletin 1993/30
(21)
Application number:
91919860.0
(22)
Date of filing:
26.09.1991
(51)
International Patent Classification (IPC):
B01J
27/
198
( . )
B01J
35/
02
( . )
C07C
51/
215
( . )
C07C
51/
31
( . )
B01J
35/
00
( . )
B01J
35/
10
( . )
C07C
51/
25
( . )
C07C
57/
145
( . )
(86)
International application number:
PCT/US1991/007057
(87)
International publication number:
WO 1992/005870
(
16.04.1992
Gazette 1992/09)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
(30)
Priority:
04.10.1990
US 19900592722
(71)
Applicant:
MONSANTO COMPANY
St. Louis Missouri 63167 (US)
(72)
Inventors:
EBNER, Jerry, Rudolph
St. Charles, MO 63301 (US)
KEPPEL, Robert, Andrew
Chesterfield, MO 63017 (US)
(74)
Representative:
Ernst, Hubert
Monsanto Services International S.A. Avenue de Tervuren 270/272
B-1150 Brussels
B-1150 Brussels (BE)
(54)
SHAPED OXIDATION CATALYST STRUCTURES FOR THE PRODUCTION OF MALEIC ANHYDRIDE